Any numbers to compare? 05.10.2013 22:07 пользователь "David Goodenough" < [email protected]> написал:
> On Saturday 05 Oct 2013, garyamort wrote: > > Ran across this article last night: > > http://www.phoronix.com/scan.php?page=news_item&px=MTI5MDI > I think you have misread this article. > > > > Siarhei Siamashka <http://ssvb.github.io/> wasn't happy with the open > > source framebuffer driver for his Raspberry Pi that utilizes the built in > > Mali GPU. > The article talks about A10/20 chips, not the Raspberry Pi. > > > > It seems the main problem was that the driver was just a basic driver > with > > some function call replacements to use the Mali GPU's special functions. > The Pi does not use a Mali GPU, neither do the Beagles. > > > > This means that it didn't include any of the other accelerated function > > calls that come with the Arm platform[NEON and VFRP] > Yes, this bit is relevant. > > > > So he rewrote the fbdev driver using their code, and went ahead and added > > the calls for neon and vfrp. He also has done it in a very smart > manner, > > his driver is a drop in replacement for xf86-video-fbdev. > > > > It's default mode of operation is exactly the same as fbdev - so it will > > work on any platform including both desktops[intel or amd processors] and > > embedded platforms. > > > > During initialization, it will check to see if the Neon features are > > available, if so it will configure itself to use them. It checks for > VFRP > > and enables those functions. Finally it checks for the Mali GPU and if > it > > is there it enables use of those functions. > > > > He's very appropriately named his driver 'fbturbo' amd posted it up to > > Github. https://github.com/ssvb/xf86-video-fbturbo > > > > This means it should work on the BBB as well and give you a performance > > boost if running a desktop environment. > Less that it will for chips like the A10/20, but might be worth a try. > > David > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
